Just a thought, what's MAP reading? > On 29 Oct 2015, at 22:10, Robert Craig <bobbycrai...@tiscali.co.uk> wrote: > > That's great info Matthew, thanks for taking the time to write it all. I > think I'll print it out and put it in the very large file you gave me. > > The map looks ok. I compared some values with the saved file from the Sitec > RR session to the ECU. It happened when I switched to high boost. Was just > building speed gradually in first and second as it was damp. Wasn't yet on > positive boost when it lost power and farted. No mechanical noises to suggest > engine component failure. > > The engine starts but won't idle. Have to hold the revs about 1500 but it's > rough so could be on two cylinders. If I try to rev it it backfires and won't > go above about 3K ish. The duty cycle gauge shows 0 but all other gauges are > registering. > > Plugs are high quality iridium, slightly sooted. Haven't measured gaps but > will do that at the weekend.. > We have a couple of ex Ford technicians in work. They are not familiar with > Megasquirt but know the rest of the system well and initial consensus from > them is a coil pack issue. I'll get a coil pack tomorrow as we have a trade > account with Dingbro it won't be expensive. Even if it's not that, I'll keep > it as a spare. I'll let you know how I get on. I'm looking at this as a > learning exercise. I've done around 5000 miles ( including sprint and track > days) and been pretty much trouble free, so there had to be a problem at some > point. Ironic that we were chatting about it last week. > > > Bob > > Sent from my iPad > >> On 29 Oct 2015, at 19:48, Matthew Wastell <matt...@wastell.eu> wrote: >> >> Hi, >> >> Hopefully I can still remember the MS. >> >> Duty cycle is the amount of time the injectors are open. The injectors are >> configured for 2 squirts per engine cycle. (Most Zetec base maps are set to >> 4, it supposedly improves emissions, however it's only noticeable in a lab >> and causes rough idling due to the large injector size needed for the turbo) >> with big injectors you can't squirt a small enough amount of fuel quickly >> enough. Anyway that's not quite relevant right now. The gauge should read >> very low on idle / low kpa. Unless you put it under load, you won't see >> much. Worth setting megasquirt to log, then open the file in excel/notepad >> to see raw values. >> >> I had it happen once, after a very spirited drive and an on/off/on power >> quick combo down a steep hill, I lost power, sounds like running without one >> cylinder, restarting wasn't possible. 10 minutes later and it was fine. I >> suspect a flooding issue. If you haven't already, give it another go. >> >> Once also I totally lost everything, no idea how, but the ECU had scrambled >> the map and all settings. Re-loading the map sorted that. It's easy to do. >> Switch on the car, load megatune and then use the menu to load your last >> saved map. I gave you a copy of just about every version over time but think >> you tuned it more since. >> >> When I originally mapped the car I did have a bit of pinking, I set the plug >> gaps much smaller and that resolved that. Unless you've changed them, that >> may well be worth checking and changing. I can't for the life of me recall >> the gap now but seem to recall it was half that of a regular Zetec. Plugs >> are standard RS turbo focus from ford. Leads are standard Zetec. >> >> Fuel pressure shouldn't be an issue, but worth checking. Think it's around 3 >> bar, slightly higher than standard. It uses a standard valve, but is >> squashed slightly (can tell you how to do it if that comes up) >> >> Hopefully it won't be compression/head gasket or anything as serious as >> that, however HG is standard Ford Focus RS turbo (metal). Decomp was custom >> from the engine people who supplied quantum at one point. 3mm aluminium. You >> should have the original receipt if not I can rack my brains. >> >> Coil packs as Jim says fail two cylinders normally, it will still run on two >> but will be very obvious. >> >> I doubt the injector wiring will have any kind of issue, however you can if >> enough wire switch the connectors around, they all fire at the same time I >> recall. I may have some spare injectors knocking about but not sure. They >> are from a 200 SX 350cc ;one of the few side feed designs that fit the ford >> rail. It's possible to remove the inner two so long as you don't have extra >> large hands. >> >> The EDIS module may be worth a check. Jim may be able to guide you on that >> one. >> >> What else, lambda failure will make it run very rich, but shouldn't loose >> too much power. Depending what you've done with the tune of course. I err'd >> on the side of caution with that one. >> >> Vacuum and breathers should be ok, but worth checking the breather on the >> inlet manifold spacer plate - it should be blocked off (it's no use on a >> turbo) >> >> If you can describe how it sounds (or video it) I may be able to better >> guess if it was anything I ever faced. >> >> Hope that gives some things to consider. I'm at the end of the phone if you >> need help with megasquirt. If you can get it in the Internet whilst >> connected to the car I should even be able to check it over from here if >> needs be. >> >> Good luck and fingers crossed its simple. >> M >> >> >> >> >> >> >> >> >> >> >>> On 29 Oct 2015, at 10:38, Robert Craig <bobbycrai...@tiscali.co.uk> wrote: >>> >>> Just seen Jims reply. >>> >>> I'll do a compression test at the weekend. Makes sense for the short time >>> it takes. The car had run fairly hot on the Knockhill track day, so could >>> have a head gasket issue. No water in oil or oil in water, so could be a >>> blow between cylinders. >>> >>> Bob >>> >>> Sent from my iPad >>> >>>> On 29 Oct 2015, at 08:56, Jim Hearne <j...@quantums.info> wrote: >>>> >>>> It's Matthew Wastells old car. >>>> It's a 2+2 with a 2L Mondeo silver top Zetec bottom end. >>>> Turbo charged with a Focus RS turbo, exhaust manifold and sump. >>>> The inlet manifold is actually just a RS1800 part. >>>> Big valve ported head. >>>> Decompression plate to reduce to compression (the first engine with highly >>>> expensive low compression pistons didn't go so well). >>>> Uprated injectors, Megasquirt ecu, chargecooler. >>>> >>>> I can't remember much of the rest of the spec. >>>> >>>> Jim >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> -----Original Message----- From: Nigel Plant >>>> Sent: Wednesday, October 28, 2015 10:17 PM >>>> To: Quantum Owners Group >>>> Subject: Re: [Quantum Owners] Misfiring Zetec >>>> >>>> Hi Bob >>>> Is yours an Xtreme? If so, am curious about the inlet manifold >>>> configuration, but as for the misfire, would either suspect a wire >>>> connection issue on the injectors (did you buy it with turbo?) Or if an >>>> xtreme and the turbo sits high with coil pack on the side, the turbine can >>>> be quite near the coil pack, causing it to get too hot. I shielded mine to >>>> avoid a potential problem >>>> Nigel >>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Quantum Owners Group" group. >>>> To post to this group, send email to quantumowners@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> quantumowners-unsubscr...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/group/quantumowners?hl=en >>>> >>>> IMPORTANT NOTE: All information presented herewith is provided on an "As >>>> Is" basis, without warranty or the implication thereof. Neither the >>>> Quantum Owners Club nor the individuals associated with the Quantum Owners >>>> Club or in the preparation of the above information shall have any >>>> liability to any person or entity with respect to liability, loss, or >>>> damage caused or alleged to be caused directly or indirectly by the >>>> instructions contained within this or related message(s). >>>> --- You received this message because you are subscribed to the Google >>>> Groups "Quantum Owners Group" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to quantumowners+unsubscr...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Quantum Owners Group" group. >>>> To post to this group, send email to quantumowners@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> quantumowners-unsubscr...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/group/quantumowners?hl=en >>>> >>>> IMPORTANT NOTE: All information presented herewith is provided on an "As >>>> Is" basis, without warranty or the implication thereof. Neither the >>>> Quantum Owners Club nor the individuals associated with the Quantum Owners >>>> Club or in the preparation of the above information shall have any >>>> liability to any person or entity with respect to liability, loss, or >>>> damage caused or alleged to be caused directly or indirectly by the >>>> instructions contained within this or related message(s). >>>> --- You received this message because you are subscribed to the Google >>>> Groups "Quantum Owners Group" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to quantumowners+unsubscr...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Quantum Owners Group" group. >>> To post to this group, send email to quantumowners@googlegroups.com >>> To unsubscribe from this group, send email to >>> quantumowners-unsubscr...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/quantumowners?hl=en >>> >>> IMPORTANT NOTE: All information presented herewith is provided on an "As >>> Is" basis, without warranty or the implication thereof. Neither the Quantum >>> Owners Club nor the individuals associated with the Quantum Owners Club or >>> in the preparation of the above information shall have any liability to any >>> person or entity with respect to liability, loss, or damage caused or >>> alleged to be caused directly or indirectly by the instructions contained >>> within this or related message(s). >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "Quantum Owners Group" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to quantumowners+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >> >> -- >> -- >> You received this message because you are subscribed to the Google Groups >> "Quantum Owners Group" group. >> To post to this group, send email to quantumowners@googlegroups.com >> To unsubscribe from this group, send email to >> quantumowners-unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/quantumowners?hl=en >> >> IMPORTANT NOTE: All information presented herewith is provided on an "As Is" >> basis, without warranty or the implication thereof. Neither the Quantum >> Owners Club nor the individuals associated with the Quantum Owners Club or >> in the preparation of the above information shall have any liability to any >> person or entity with respect to liability, loss, or damage caused or >> alleged to be caused directly or indirectly by the instructions contained >> within this or related message(s). >> --- >> You received this message because you are subscribed to the Google Groups >> "Quantum Owners Group" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to quantumowners+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to quantumowners@googlegroups.com > To unsubscribe from this group, send email to > quantumowners-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > > IMPORTANT NOTE: All information presented herewith is provided on an "As Is" > basis, without warranty or the implication thereof. Neither the Quantum > Owners Club nor the individuals associated with the Quantum Owners Club or in > the preparation of the above information shall have any liability to any > person or entity with respect to liability, loss, or damage caused or alleged > to be caused directly or indirectly by the instructions contained within this > or related message(s). > --- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to quantumowners+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
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